AD7195
目录
特点................................................. ............................................. 1
接口................................................. ............................................ 1
应用................................................. ...................................... 1
概述................................................ ......................... 1
功能框图............................................... ............... 1
修订历史................................................ ............................... 2
规格................................................. .................................... 3
时序特性................................................ ................ 6
绝对最大额定值............................................... ............. 8
热阻................................................ ...................... 8
ESD注意事项................................................ .................................. 8
引脚配置和功能说明............................. 9
典型性能特征........................................... 11
RMS噪声和分辨率.............................................. .............. 13
SINC
4
斩残疾人................................................ ................... 13
SINC
3
斩残疾人................................................ ................... 14
SINC
4
砍启用................................................ .................... 15
SINC
3
砍启用................................................ .................... 16
片内寄存器.............................................. ............................ 17
通信寄存器................................................ ......... 18
状态寄存器................................................ ............................. 19
模式寄存器................................................ ............................. 19
配置寄存器................................................ .............. 21
数据寄存器................................................ ............................... 23
ID寄存器................................................ ................................... 23
GPOCON注册................................................ ..................... 23
偏移寄存器................................................ ............................. 24
满量程注册.............................................. ........................ 24
ADC电路信息............................................... ............... 25
概述................................................. .................................... 25
模拟量输入通道............................................... ................ 26
PGA ................................................. ............................................. 26
参考................................................. .................................... 26
基准电压检测................................................ ......................... 26
双极性/单极性配置.............................................. 27
数据输出编码............................................... ................... 27
熔断电流................................................ ....................... 27
交流励磁................................................ .............................. 27
通道序列................................................ .................... 28
数字接口................................................ .......................... 28
复位................................................. ............................................ 32
系统同步................................................ ............ 32
时钟................................................. ........................................... 32
启用奇偶................................................ ............................... 32
温度传感器................................................ ................... 32
电桥关断开关............................................. ......... 33
校准................................................. .................................. 33
数字滤波器................................................ ................................ 34
SINC
4
过滤器（斩波禁用） ............................................. ........ 34
SINC
3
过滤器（斩波禁用） ............................................. ........ 36
斩波使能（ SINC
4
过滤器） ................................................ ...... 38
斩波使能（ SINC
3
过滤器） ................................................ ...... 40
过滤选项摘要.............................................. ......... 41
接地和布局............................................... ............... 42
应用信息................................................ .............. 43
电子秤................................................ ................................ 43
外形尺寸................................................ ....................... 44
订购指南................................................ .......................... 44
修订历史
1月10日 - 修订版0 ：初始版
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